Thinking strategically is essential. In 777 Rummy, melds & sets must be carefully planned & strategically thought out in order to make the most of therummy big cards at hand and take advantage of openings created by opponents' discards. In 777 Rummy, discarding and picking up cards are crucial moves that can significantly affect a player's chances of winning. Players should discard high-value cards first if they are unlikely to be used in melds or sets.